Index: uspace/drv/audio/sb16/dsp.c
===================================================================
--- uspace/drv/audio/sb16/dsp.c	(revision 071a1ddbcc6bb2b9c6f3c1a3acc865f1f23b5fe0)
+++ uspace/drv/audio/sb16/dsp.c	(revision 84a1a546f62a2ba0f913f8f1bfce8d4bc68d7aa4)
@@ -290,5 +290,5 @@
 		return 16535;
 	default:
-		return ENOTSUP;
+		return -1;
 	}
 }